Spanish is a romance language that originated in Castile, a region in Spain. Approximately 406 million people speak Spanish as a native language. It is the primary language of 20 countries worldwide. Spanish is the third most spoken language by total number of speakers after Mandarin and English.

French is a romance language that evolved out of the gallo-romance dialects spoken in northern France. The language descended from the spoken latin language of the roman empire. It is the fourth most widely spoken mother tongue in the European Union. Also French was the most important language of diplomacy and international relations from the 17th century to approximately the middle of the 20th century.

German is a language related to and classified alongside English and Dutch. With an estimated 100 million native speakers, German is one of the world's major languages and is the most widely spoken first language in the European Union.

Russian is the most widespread language of Eurasia and the largest native language in Europe, with 144 million native speakers in Russia, Ukraine and Belarus, its culture has a long history and tradition in many aspects of arts, especially when it comes to literature, philosophy, classical music, ballet etc which all had considerable influence on world culture.

Hindi, or more precisely modern standard Hindi, is a standardised and sanskritised register of the hindustani language (Hindi-Urdu). It is a language spoken widely in India, Pakistan and other south asian countries. Hindi language is of indo-european origin with its roots from the sauraseni prakrit. The Hindi spoken today has evolved from the dialect khariboli. There is no specific consensus on the time of its origin.

Mandarin is a group of related varieties of Chinese spoken across most of northern and southwestern China. China officially the People's Republic of China, is the world's second-largest country by land area. The nation holds pride of one of the world's earliest flourishing civilization, the ancient Chinese civilization. Chinese culture include rich cultural heritage associated to literature, music, visual arts, martial arts, cuisine, etc.